include/asm-parisc/io.h

   1 #ifndef _ASM_IO_H
   2 #define _ASM_IO_H
   3
   4 #include <linux/types.h>
   5 #include <asm/gsc.h>
   6
   7 #define virt_to_phys(a) ((unsigned long)__pa(a))
   8 #define phys_to_virt(a) __va(a)
   9 #define virt_to_bus virt_to_phys
  10 #define bus_to_virt phys_to_virt
  11
  12 #define inb_p inb
  13 #define inw_p inw
  14 #define inl_p inl
  15 #define outb_p outb
  16 #define outw_p outw
  17 #define outl_p outl
  18
  19 #define readb gsc_readb
  20 #define readw gsc_readw
  21 #define readl gsc_readl
  22 #define writeb gsc_writeb
  23 #define writew gsc_writew
  24 #define writel gsc_writel
  25
  26
  27 #if defined(CONFIG_PCI) || defined(CONFIG_ISA)
  28 /*
  29  *      So we get clear link errors
  30  */
  31 extern u8 inb(unsigned long addr);
  32 extern u16 inw(unsigned long addr);
  33 extern u32 inl(unsigned long addr);
  34
  35 extern void outb(unsigned char b, unsigned long addr);
  36 extern void outw(unsigned short b, unsigned long addr);
  37 extern void outl(u32 b, unsigned long addr);
  38
  39 static inline void memcpy_toio(void *dest, void *src, int count)
  40 {
  41         while(count--)
  42                 writeb(*((char *)src)++, (char *)dest++);
  43 }
  44
  45 #endif
  46
  47 /* IO Port space is :      BBiiii   where BB is HBA number. */
  48 #define IO_SPACE_LIMIT 0x00ffffff
  49
  50 /* Right now we don't support Dino-on-a-card and V class which do PCI MMIO
  51  * through address/data registers. */
  52
  53 #define ioremap(__offset, __size)       ((void *)(__offset))
  54 #define iounmap(__addr)
  55
  56 #define dma_cache_inv(_start,_size)             do { flush_kernel_dcache_range(_start,_size); } while(0)
  57 #define dma_cache_wback(_start,_size)           do { flush_kernel_dcache_range(_start,_size); } while (0)
  58 #define dma_cache_wback_inv(_start,_size)       do { flush_kernel_dcache_range(_start,_size); } while (0)
  59
  60 #endif